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Half mole of an ideal monoatomic gas is ...

Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from `20^(@)C " to " 90^(@)C`. Work done by gas is close to: (Gas constant R = 8.31 J/mol-K)

A

581 J

B

291 J

C

73 J

D

146 J

Text Solution

Verified by Experts

The correct Answer is:
B
`W= int Pdv=nRDeltaT=(1)/(2)xx8.310xx70=291J`
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